AU2003217155A1 - Method for selecting switched orthogonal beams for downlink diversity transmission - Google Patents

Method for selecting switched orthogonal beams for downlink diversity transmission

Info

Publication number
AU2003217155A1
AU2003217155A1 AU2003217155A AU2003217155A AU2003217155A1 AU 2003217155 A1 AU2003217155 A1 AU 2003217155A1 AU 2003217155 A AU2003217155 A AU 2003217155A AU 2003217155 A AU2003217155 A AU 2003217155A AU 2003217155 A1 AU2003217155 A1 AU 2003217155A1
Authority
AU
Australia
Prior art keywords
diversity transmission
orthogonal beams
downlink diversity
selecting
selecting switched
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2003217155A
Inventor
Po Shin Francois Chin
Zhongding Lei
Ying Chang Liang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National University of Singapore
Original Assignee
National University of Singapore
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National University of Singapore filed Critical National University of Singapore
Publication of AU2003217155A1 publication Critical patent/AU2003217155A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0669—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different channel coding between antennas
AU2003217155A 2002-04-04 2003-04-04 Method for selecting switched orthogonal beams for downlink diversity transmission Abandoned AU2003217155A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/116,240 US6850741B2 (en) 2002-04-04 2002-04-04 Method for selecting switched orthogonal beams for downlink diversity transmission
US10/116,240 2002-04-04
PCT/SG2003/000073 WO2003085857A1 (en) 2002-04-04 2003-04-04 Method for selecting switched orthogonal beams for downlink diversity transmission

Publications (1)

Publication Number Publication Date
AU2003217155A1 true AU2003217155A1 (en) 2003-10-20

Family

ID=28673926

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003217155A Abandoned AU2003217155A1 (en) 2002-04-04 2003-04-04 Method for selecting switched orthogonal beams for downlink diversity transmission

Country Status (3)

Country Link
US (1) US6850741B2 (en)
AU (1) AU2003217155A1 (en)
WO (1) WO2003085857A1 (en)

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Publication number Publication date
WO2003085857A1 (en) 2003-10-16
US20030190897A1 (en) 2003-10-09
US6850741B2 (en) 2005-02-01

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